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Hi, i had a problem during kubuntu installation from ubuntu and now i can't start ubuntu correctly. it loads only desktop and doesn't work. Is there a way to solve this problem? I have ubuntu 8.10...

thanks

i have a function that reads the first line and another function that must read all lines. i don't want open the file two times so i pass the file pointer to the second function which starts to read...

i have to read the first line and after the file completely

rewind the pointer to 0

Hi,
how can i read first line two times without close file?

ok, can i for example declare a pointer to integer and allocate memory to it inside any function? how can i deallocate memory?

Hi,
is it possible in C to allocate dynamically a global variable??

Sorry, it was a stupid problem, i solved it, thanks

Hi,
my program stops with a buffer overflow error, but i can't understand the problem. I have a file like:

int array[n]; //global variable
void func(){
int i;
for(i=0;i<n;i++)array[i]=-1;...

Hi, i have a simple control like this:
if(sum>1.0)...
If i try to print sum i get 1.000000 but the check returns true. I think it depends on float precision. How can i modify the check?
thanks

thanks pshaikh

Sorry Shamrock but I did not understand your answer.Should ptr be a pointer to array??
I tried the following and it seems to work fine:

int main(){
int *array;
int **ptr = &array;
sub(ptr);
}...

ok but in this way i lose the array when sub returns...

shamrock could you correct my code please??

Hi,
I have the following problem: i must allocate a dynamic array from a subroutine which should return such array to main function. The subroutine has already a return parameter so i thought of...

i have an hash table in which each value is an array. How can i print for each key the array values??? something like this:


thanks

ok, thanks very much.

ok, it works fine. thanks very much. Could you explain me why y(float **pf){}
is not correct and in which cases i have to use it?

What should the formal parameter be?? I tried
float **table
but doesn't work

Hi,
I have the following variable declaration which looks like a 3d array or N matrixs KxK of floats
float (*table[N])[K];
I have to pass to a function only the first table.
How can I do it??...

ok, thanks

ok, how can i avoid it happens??

Hi, i have some problems with the following code:

char *tab_path[num_classifiers];
char *sep=" \t\n";
char line[MAXLINE];
char *p;
FILE * file;
int i = 0;
...